21463241610 has 32 divisors (see below), whose sum is σ = 51581162880. Its totient is φ = 5715821888.

The previous prime is 21463241599. The next prime is 21463241617. The reversal of 21463241610 is 1614236412.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (21463241617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 459165 + ... + 503744.

It is an arithmetic number, because the mean of its divisors is an integer number (1611911340).

Almost surely, 2^21463241610 is an apocalyptic number.

21463241610 is an abundant number, since it is smaller than the sum of its proper divisors (30117921270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21463241610 is a wasteful number, since it uses less digits than its factorization.

21463241610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963662.

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 21463241610 in words is "twenty-one billion, four hundred sixty-three million, two hundred forty-one thousand, six hundred ten".